Powder: | Yes |
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Customized: | Customized |
Certification: | GMP, ISO 9001 |
Suitable for: | Elderly, Adult |
State: | Solid |
Purity: | >99% |
Samples: |
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Customization: |
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Items | Specifications | Results |
Appearance | White or almost white powder or fibrous aggregate | White Powder |
Identification
B.Reaction of sodium |
The IR spectrum of the sample exhibits maxima at the same wavelength as that of Ph.Eur. reference spectrum of Sodium Hyaluronate Positive |
Comply Positive |
Appearance of solution | Clear and the absorbance is NMT 0.01 at 600 nm | Clear,A600 nm= 0.002 |
pH | 5.0 8.5 (0.5% solution) | 7.2 |
Intrinsic viscosity | Report the test value | 2.28 m3 /kg |
Molecular weight | Report the test value | 1.43 ×106 Da |
Nucleic acids | The absorbance is NMT 0.5 at 260 nm | 0.007 |
Protein | ≤0.1%(on the dried substance) | <LOD(0.03%) |
Chlorides | ≤0.5% | <0.5% |
Heavy metals | ≤10 ppm | <10 ppm |
Iron | ≤80 ppm (on the dried substance) | <80 ppm |
Loss on drying | ≤20.0% | 8.6% |
Assay | 95.0% 105.0% (on the dried substance) | 100.9% |
Residual solvents:Ethanol | ≤0.5% | 0.12% |
Microbial contamination | ≤100 cfu/g | <10 cfu/g |
Bacterial Endotoxins | <0.5 IU/mg | <0.5 IU/mg |
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